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A096484
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Integer part of the square root of [2n-1]-th decimal repunit.
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1
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1, 10, 105, 1054, 10540, 105409, 1054092, 10540925, 105409255, 1054092553, 10540925533, 105409255338, 1054092553389, 10540925533894, 105409255338945, 1054092553389459, 10540925533894597, 105409255338945977
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listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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FORMULA
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a[n]=Floor[sqrt[(-1+10^[2n-1])/9]]]=Floor[sqrt[A002275(2n-1)]]
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EXAMPLE
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a[149] = 105409255338945992621035871466885843195271266221118708483580260692369866752
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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